package com.atguigu.eduservice.controller;


import com.atguigu.baservice.exceptionhandler.GuliException;
import com.atguigu.commonutils.R;
import com.atguigu.eduservice.entity.EduTeacher;
import com.atguigu.eduservice.entity.vo.TeacherQuery;
import com.atguigu.eduservice.service.EduTeacherService;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import lombok.val;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author testjava
 * @since 2022-11-01
 */
@Api(tags="讲师管理")
@RestController
@RequestMapping("/eduservice/teacher")
//@CrossOrigin
public class EduTeacherController {
    @Autowired
    EduTeacherService teacherService;
    @GetMapping("findAll")
    @ApiOperation(value = "所有讲师列表")
    public R findAll(){
        List<EduTeacher> list = teacherService.list(null);
        return R.ok().data("items",list);
    }
    @ApiOperation(value = "逻辑删除讲师")
    @DeleteMapping("{id}")
    public R removeTeacher(@ApiParam(name = "id", value = "讲师ID", required = true)
                                     @PathVariable String id){
        boolean flag = teacherService.removeById(id);
        if(flag) {
            return R.ok();
        } else {
            return R.error();
        }
    }
    @ApiOperation(value = "分页查询讲师")
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageteacher(@PathVariable Long current,
                         @PathVariable Long limit   ){
        Page<EduTeacher> pageTeacher= new Page(current,limit);
        teacherService.page(pageTeacher,null);
        long total = pageTeacher.getTotal();//总记录数
        List<EduTeacher> records = pageTeacher.getRecords(); //数据list集合

        try {
            int i = 10/0;
        }catch(Exception e) {
            //执行自定义异常
            throw new GuliException(20001,"执行了自定义异常处理....");
        }
//        Map map = new HashMap();
//        map.put("total",total);
//        map.put("rows",records);
//        return R.ok().data(map);

        return R.ok().data("total",total).data("rows",records);
    }
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable Long current, @PathVariable Long limit,@RequestBody TeacherQuery teacherQuery){
        Page<EduTeacher> teacherPage =new Page<>(current,limit);
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();


        if(!StringUtils.isEmpty(name)){
            wrapper.like("name",name);

        }
        if(!StringUtils.isEmpty(level)){
            wrapper.like("level",level);

        }
        if(!StringUtils.isEmpty(begin)){
            wrapper.eq("gmt_create",begin);

        }
        if(!StringUtils.isEmpty(end)){
            wrapper.le("gmtModified",end);

        }
        wrapper.orderByDesc("gmt_create");
        teacherService.page(teacherPage,wrapper);
        long total = teacherPage.getTotal();//总记录数
        List<EduTeacher> records = teacherPage.getRecords(); //数据list集合
        return R.ok().data("total",total).data("rows",records);
    }
    //添加讲师接口的方法
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher) {
        boolean save = teacherService.save(eduTeacher);
        if(save) {
            return R.ok();
        } else {
            return R.error();
        }
    }

    //根据讲师id进行查询
    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id) {
        EduTeacher eduTeacher = teacherService.getById(id);
        return R.ok().data("teacher",eduTeacher);
    }

    //讲师修改功能
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher) {
        boolean flag = teacherService.updateById(eduTeacher);
        if(flag) {
            return R.ok();
        } else {
            return R.error();
        }
    }
}

